Compare/Allis Chalmers 8010 vs Allis Chalmers D21 Series I

Allis Chalmers 8010 vs Allis Chalmers D21 Series I

Verdict: Allis Chalmers 8010 vs Allis Chalmers D21 Series I

The Allis Chalmers 8010 and the Allis Chalmers D21 Series I are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 8010 leads on rated power with 107 hp against 103 hp. Allis Chalmers D21 Series I is the lighter machine (4,309 kg vs 12,630 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 8010 is the newer design (1982 vs 1963). In short: choose the Allis Chalmers 8010 for outright pulling power, or the Allis Chalmers D21 Series I if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

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Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

107 hp

103 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Allis ChalmersReference

Six power shift gears (1-6) in two ranges (slow/fast). Clutch must be used to shift range. Pressing the clutch pedal half-way automatically downshifts from 5th/6th to 4th gear.Reference

With 18.4x34 rear tires.Reference

Total built

1,832Reference

1,129Reference

Original price

$46,176Reference

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Differential lock

electro-hydraulic rearReference

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Steering

hydrostatic powerReference

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Variants

8010

row-cropReference

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8010HC

high-cropReference

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Engine

Drawbar (tested)

68.2 kWReference

69.4 kWReference

Displacement

4.9 LReference

7.0 LReference

Bore/Stroke

98 x 108 mmReference

108 x 127 mmReference

Air cleaner

dryReference

Compression

15.5:1Reference

16.0:1Reference

Rated RPM

2300Reference

2200Reference

Firing order

1-5-3-6-2-4Reference

Starter volts

12Reference

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Oil capacity

28.0 LReference

87.1 LReference

Coolant capacity

24.6 LReference

19.9 LReference

Power at rated engine speed

80.1 kWReference

76.9 kWReference

Max power

68.2 kWReference

69.4 kWReference

Fuel tank

—

196.8 LReference

Engine

—

88.7 kWReference

Drawbar (claimed)

—

69.4 kWReference

Plows

—

7Reference

Power

—

88.7 kWReference

Intake valve clearance

—

0.381 mmReference

Exhaust valve clearance

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0.381 mmReference

Transmission

Power ShiftReference

Power DirectorReference

Gears

12 forward and 2 reverseReference

8 forward and 2 reverseReference

Clutch

—

dry discReference

PTO & Hydraulics

PTO (tested)

80.1 kWReference

76.9 kWReference

Type

Allis-ChalmersReference

sliding gearReference

Valves

2 or 3Reference

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Pump flow

51.1 lpmReference

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Total flow

170.3 lpmReference

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Steering flow

36.0 lpmReference

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Rear Type

IIReference

III/IIReference

Rear lift (at 24"/610mm)

3030 kgReference

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Rear PTO

independentReference

Rear PTO Type

540/1000Reference

1000Reference

Power at rated PTO speed

81.7 kWReference

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PTO (claimed)

—

76.8 kWReference

Capacities

Fuel

94.6 LReference

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Rear diff.

63.2 LReference

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Dimensions

2WD Wheelbase

269 cmReference

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4WD Wheelbase

243 cmReference

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Weight

12630 to 13600 poundsReference

4309 kgReference

Front tire

10.00-16Reference

7.50x20Reference

Rear tire

18.4-38Reference

18.4x34Reference

2WD Ag front

18.4-16Reference

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4WD Ag front

14.9-24Reference

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Ag rear

16.9-38Reference

24.5x32Reference

Length

474 cmReference

407 cmReference

Width

235 cmReference

232 cmReference

2WD Weight

5728 kgReference

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4WD Weight

6168 kgReference

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4WD 21 2WD} Clearance (front axle)

44 cmReference

—

Clearance (rear axle)

71 cmReference

67 cmReference

Wheelbase

—

244 cmReference

Ag front

—

11.00x16Reference

Shipping weight

—

4309 kgReference

Ballasted weight

—

5307 kgReference

Clearance (front axle)

—

54 cmReference

Steering wheel

—

229 cmReference

8010 Serial Number Location

8010 Serial Numbers

1981

1001Reference

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1982

1020Reference

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1983

1712Reference

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1984

2266Reference

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1985

2609Reference

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Final

2832Reference

4609 (Series II)Reference

Electrical

Charging system

alternatorReference

Delco-Remy generatorReference

Charging amps

100Reference

32Reference

Battery volts

12Reference

Ground

—

negativeReference

Batteries

—

4Reference

Battery AH

—

95Reference

Allis Chalmers 8010 Height

Hood

175 cmReference

182 cmReference

Cab

289 cmReference

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Exhaust

287 cmReference

270 cmReference

Test results

Fuel use

27.6 l/hourReference

26.9 l/hourReference

Max pull

4128 kgReference

6731 kgReference

Speeds

D21 Serial Numbers

1963

—

100 (Series I)Reference

1964

—

1417 (Series I)Reference

1965

—

2130 (Series II)Reference

1966

—

2408 (Series II)Reference

1967

—

2863 (Series II)Reference

1968

—

3777 (Series II)Reference

1969

—

4498 (Series II)Reference

Location:

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Serial number on the left side of the Allis-Chalmers D21, stamped into the flange near the starter mounting.Reference

Allis Chalmers D21 Height

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.